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Point Forecast: Reston VA  38.95N 77.36W (Elev. 446 ft)	Last Update: 4:34 am EDT Oct 31, 2020

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Weather Elements Weather/Precipitation Fire Weather Temperature (°F) Dewpoint (°F) Wind Chill (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Fog Mixing Height  x100ftx100m Haines Index Lightning Activity Level Trans. Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index

48-Hour Period Starting: 4am Sat, Oct 31 20205am Sat, Oct 31 20206am Sat, Oct 31 20207am Sat, Oct 31 20208am Sat, Oct 31 20209am Sat, Oct 31 202010am Sat, Oct 31 202011am Sat, Oct 31 202012pm Sat, Oct 31 20201pm Sat, Oct 31 20202pm Sat, Oct 31 20203pm Sat, Oct 31 20204pm Sat, Oct 31 20205pm Sat, Oct 31 20206pm Sat, Oct 31 20207pm Sat, Oct 31 20208pm Sat, Oct 31 20209pm Sat, Oct 31 202010pm Sat, Oct 31 202011pm Sat, Oct 31 202012am Sun, Nov 1 20201am Sun, Nov 1 20202am Sun, Nov 1 20203am Sun, Nov 1 20204am Sun, Nov 1 20205am Sun, Nov 1 20206am Sun, Nov 1 20207am Sun, Nov 1 20208am Sun, Nov 1 20209am Sun, Nov 1 202010am Sun, Nov 1 202011am Sun, Nov 1 202012pm Sun, Nov 1 20201pm Sun, Nov 1 20202pm Sun, Nov 1 20203pm Sun, Nov 1 20204pm Sun, Nov 1 20205pm Sun, Nov 1 20206pm Sun, Nov 1 20207pm Sun, Nov 1 20208pm Sun, Nov 1 20209pm Sun, Nov 1 202010pm Sun, Nov 1 202011pm Sun, Nov 1 202012am Mon, Nov 2 20201am Mon, Nov 2 20202am Mon, Nov 2 20203am Mon, Nov 2 20204am Mon, Nov 2 20205am Mon, Nov 2 20206am Mon, Nov 2 20207am Mon, Nov 2 20208am Mon, Nov 2 20209am Mon, Nov 2 202010am Mon, Nov 2 202011am Mon, Nov 2 202012pm Mon, Nov 2 20201pm Mon, Nov 2 20202pm Mon, Nov 2 20203pm Mon, Nov 2 20204pm Mon, Nov 2 20205pm Mon, Nov 2 20206pm Mon, Nov 2 20207pm Mon, Nov 2 20208pm Mon, Nov 2 20209pm Mon, Nov 2 202010pm Mon, Nov 2 202011pm Mon, Nov 2 202012am Tue, Nov 3 20201am Tue, Nov 3 20202am Tue, Nov 3 20203am Tue, Nov 3 20204am Tue, Nov 3 20205am Tue, Nov 3 20206am Tue, Nov 3 20207am Tue, Nov 3 20208am Tue, Nov 3 20209am Tue, Nov 3 202010am Tue, Nov 3 202011am Tue, Nov 3 202012pm Tue, Nov 3 20201pm Tue, Nov 3 20202pm Tue, Nov 3 20203pm Tue, Nov 3 20204pm Tue, Nov 3 20205pm Tue, Nov 3 20206pm Tue, Nov 3 20207pm Tue, Nov 3 20208pm Tue, Nov 3 20209pm Tue, Nov 3 202010pm Tue, Nov 3 202011pm Tue, Nov 3 202012am Wed, Nov 4 20201am Wed, Nov 4 20202am Wed, Nov 4 20203am Wed, Nov 4 20204am Wed, Nov 4 20205am Wed, Nov 4 20206am Wed, Nov 4 20207am Wed, Nov 4 20208am Wed, Nov 4 20209am Wed, Nov 4 202010am Wed, Nov 4 202011am Wed, Nov 4 202012pm Wed, Nov 4 20201pm Wed, Nov 4 20202pm Wed, Nov 4 20203pm Wed, Nov 4 2020

Date	10/31																				11/01
Hour (EDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	39	36	35	35	36	39	42	46	48	49	50	50	50	49	48	46	44	43	42	41	41	42	42	43
Dewpoint (°F)	39	35	34	34	34	34	35	35	35	35	35	35	35	36	37	38	38	38	38	38	38	39	40	41
Wind Chill (°F)	39	32	31	31	32	36	39	44	47	48	48	48	48	47	45	44	41	40	39	37	38	39	38	39
Surface Wind (mph)	1	5	5	5	5	5	5	5	3	3	5	5	6	6	6	5	5	5	5	6	5	5	6	6
Wind Dir	N	N	N	N	N	NE	NE	E	E	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	S	S	S
Gust
Sky Cover (%)	56	56	55	53	49	45	42	40	41	43	45	45	45	44	42	40	41	45	51	57	59	60	59	64
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	100	96	96	96	92	82	76	65	60	58	56	56	56	61	65	73	79	82	86	89	89	89	93	93
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																					11/02
Hour (EDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	43	42	42	41	42	45	49	52	54	55	56	57	58	57	55	51	48	44	41	39	37	36	35	35
Dewpoint (°F)	41	41	41	41	42	44	45	47	48	49	49	49	49	48	46	42	39	36	34	32	30	27	26	26
Wind Chill (°F)	39	38	38	36	37	40	45										42	36	33	31	28	27	25	25
Surface Wind (mph)	6	6	7	7	8	9	10	10	10	10	11	11	11	10	11	14	16	17	16	15	15	15	15	15
Wind Dir	S	S	S	S	S	S	S	S	S	S	S	SW	SW	SW	W	W	NW	NW	NW	NW	NW	W	W	W
Gust											18	18	18			21	25	26	26	24	24	24	24	24
Sky Cover (%)	69	73	74	75	74	75	77	78	79	80	80	81	80	77	71	62	60	57	51	42	31	22	19	28
Precipitation Potential (%)	0	0	0	0	42	42	42	70	70	70	63	63	63	51	51	51	19	19	19	14	14	14	8	8
Relative Humidity (%)	93	96	96	100	100	96	86	83	80	80	77	75	72	72	72	71	71	73	76	76	75	69	69	69
Rain	--	--	--	--	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc	SChc	SChc	SChc	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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